Regular simulation: ./BuildingSystems_BuildingSystems.Technologies.Cogeneration.Examples.CogenerationUnitWithStorage -abortSlowSimulation -alarm=480 -lv LOG_STATS assert | warning | The following assertion has been violated during initialization at time 0.000000 | | | | pump.nominalValuesDefineDefaultPressureCurve assert | warning | *** Warning: You are using a flow or pressure controlled mover with the | | | | default pressure curve. | | | | This leads to approximate calculations of the electrical power | | | | consumption. Add the correct pressure curve in the record per | | | | to obtain an accurate computation. | | | | Setting nominalValuesDefineDefaultPressureCurve=true will suppress this warning. LOG_SUCCESS | info | The initialization finished successfully without homotopy method. DASKR-- AT T (=R1) AND STEPSIZE H (=R2) THE In above, R1 = 1.7194338727162E+04 R2 = 1.5843132377819E-09 DASKR-- ITERATION MATRIX IS SINGULAR. stdout | warning | The matrix of partial derivatives is singular. stdout | warning | can't continue. time = 17194.338727 assert | warning | The following assertion has been violated at time 17194.338727 | | | | CHP.vol.dynBal.medium.T >= 272.15 assert | error | | | | | In CogenerationUnitWithStorage.CHP.vol.dynBal.medium: Temperature T exceeded its minimum allowed value of -1 degC (272.15 Kelvin) | | | | as required from medium model "SimpleLiquidWater". stdout | warning | Integrator attempt to handle a problem with a called assert. DASKR-- AT T (=R1) AND STEPSIZE H (=R2) THE In above, R1 = 1.7194338727162E+04 R2 = 7.9215661889093E-10 DASKR-- ITERATION MATRIX IS SINGULAR. stdout | warning | The matrix of partial derivatives is singular. stdout | warning | can't continue. time = 17194.338727 assert | warning | The following assertion has been violated at time 17194.338727 | | | | CHP.vol.dynBal.medium.T >= 272.15 assert | error | | | | | In CogenerationUnitWithStorage.CHP.vol.dynBal.medium: Temperature T exceeded its minimum allowed value of -1 degC (272.15 Kelvin) | | | | as required from medium model "SimpleLiquidWater". stdout | info | model terminate | Simulation terminated by an assert at time: 17194.3 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.0228369s reading init.xml | | | | | | 0.00361343s reading info.xml | | | | | | 0.000126413s [ 0.1%] pre-initialization | | | | | | 0.000289533s [ 0.2%] initialization | | | | | | 0s [ 0.0%] steps | | | | | | 0.00306841s [ 2.4%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.0227854s [ 18.1%] event-handling | | | | | | 0.0213462s [ 17.0%] overhead | | | | | | 0.0781634s [ 62.1%] simulation | | | | | | 0.125779s [100.0%] total | | | | | events | | | | | | 1 state events | | | | | | 0 time events | | | | | solver: dassl | | | | | | 181 steps taken | | | | | | 217 calls of functionODE | | | | | | 36 evaluations of jacobian | | | | | | 1 error test failures | | | | | | 10 convergence test failures